PK

Piet Krahmer

SL Shell Research Limited: 2 patents #22 of 163Top 15%
📍 Oosterbeek, NL: #16 of 67 inventorsTop 25%
Overall (All Time): #2,300,790 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5205986 Aluminium-strontium master alloy and process of making the alloy Jan Noordegraaf, Martin Donnelly 1993-04-27
5198044 Copper alloy and process for its preparation Jeroen Colijn, Gerrit J. H. Mol, Allan D. Steele 1993-03-30